“The Formulation, Evaluation and Physical Stability Test of Aloe Vera (Aloe vera L.) Extract Gel Preparations with the Addition of Sodium Metabisulfite: Formulasi, Evaluasi dan Uji Stabilitas Fisik Sediaan Gel Ekstrak Lidah Buaya (Aloe vera L.) dengan Penambahan Sodium Meta”, medicra, vol. 7, no. 1, pp. 43–48, July 2024, doi: 10.21070/medicra.v7i1.1737.